1
JEE Main 2019 (Online) 8th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
In the following compounds, the decreasing order of basic strength will be :
A
(C2H5)2NH > NH3 > C2H5NH2
B
NH3 > C2H5NH2 > (C2H5)2NH
C
(C2H5)2NH > C2H5NH2 > NH3
D
C2H5NH2 > NH3 > (C2H5)2NH
2
JEE Main 2019 (Online) 8th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
The IUPAC name of the following compound is :
JEE Main 2019 (Online) 8th April Morning Slot Chemistry - Basics of Organic Chemistry Question 143 English
A
3-Hydroxy-4-methylpentanoic acid
B
4,4-Dimethyl-3-hydroxybutanoic acid
C
2-Methyl-3-hydroxypentan-5-oic acid
D
4-Methyl-3-hydroxypentanoic acid
3
JEE Main 2019 (Online) 12th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Among the following four aromatic compounds, which one will have the lowest melting point ?
A
JEE Main 2019 (Online) 12th January Morning Slot Chemistry - Basics of Organic Chemistry Question 144 English Option 1
B
JEE Main 2019 (Online) 12th January Morning Slot Chemistry - Basics of Organic Chemistry Question 144 English Option 2
C
JEE Main 2019 (Online) 12th January Morning Slot Chemistry - Basics of Organic Chemistry Question 144 English Option 3
D
JEE Main 2019 (Online) 12th January Morning Slot Chemistry - Basics of Organic Chemistry Question 144 English Option 4
4
JEE Main 2019 (Online) 11th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
In the following compound,

JEE Main 2019 (Online) 11th January Evening Slot Chemistry - Basics of Organic Chemistry Question 145 English

the favourable site/s for protonation is/are :
A
(b), (c) and (d)
B
(a) and (e)
C
(a) and (d)
D
(a)
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